Home / 29,313.95-43,970.32-7,127.45

Finding the Fourth Proportional to 29,313.95, 43,970.32 and 7,127.45

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Solution

The fourth proportional to 29,313.95, 43,970.32 and 7,127.45 is: 10,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.95 : 43,970.32 = 7,127.45 : x
  2. Step 2: Convert to fraction form
    29,313.95/43,970.32 = 7,127.45/x
  3. Step 3: Cross multiply
    29,313.95x = 43,970.32 × 7,127.45
  4. Step 4: Simplify right side
    29,313.95x = 313,396,019.61
  5. Step 5: Solve for x
    x = 313,396,019.61/29,313.95
  6. Step 6: Final answer
    x = 10,691.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.